AI Agent Used to Black-Box Test TypeScript Tool Uncovers Confirmed Filter Bug

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A developer used an AI agent to conduct a black-box audit of AgentInspect, an open-source TypeScript toolkit for debugging AI-agent trajectories, without allowing the agent to access the source code. The agent discovered a reproducible bug where a combined search using both name and status filters returned results matching only the status condition, ignoring the name filter entirely. The developer carefully separated confirmed defects from usability suggestions before reporting a single, focused issue to the maintainer. The maintainer verified the bug, provided acceptance criteria, and subsequently released a fix. The exercise demonstrated a structured workflow for AI-assisted open-source testing, emphasizing strict evidence requirements and human judgment over raw output volume.

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Developer tool lets cheap AI coding agents consult stronger models for hard problems

A developer has released ask-fable, an open-source MCP server designed to give budget AI coding agents on-demand access to more powerful reasoning models only when needed. The tool integrates with Claude Code and other MCP clients, allowing a cheaper, faster model to handle routine code writing while delegating complex problems — such as concurrency bugs or architectural decisions — to stronger models. Ask-fable offers four query modes: a standard single-model query, a council mode that polls multiple models and synthesizes their answers, a chained pipeline mode, and an adversarial debate mode for major design forks. The system supports a wide range of AI backends including Anthropic, Gemini, GPT, DeepSeek, and Grok, with gateway support for hundreds of additional models via OpenRouter. A built-in guard layer restricts the tool to software reasoning tasks, rejecting off-topic or offensive-security requests.

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ProgrammingDEV Community ·

Why Linux's 'cat' Command Is Misused and What to Use Instead

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ProgrammingDEV Community ·

How Business Growth Quietly Breaks Software That Once Worked Fine

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ProgrammingDEV Community ·

Arduino VENTUNO Q Combines Edge AI and Real-Time Microcontroller in One Board

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